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Micro-algae are unicellular photosynthetic micro-organisms typically found in the freshwater and marine ecosystem. They form the basis of the aquatic food chain given their rich composition of proteins, carbohydrates, lipids and other bioactive ingredients. Many micro-algae species have been studied for their potential high value biochemical compounds. Shaivaa Algaetech will exploit the potential of such micro-algae species

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Dunaliella salina

Dunaliella salina is unicellular green halophilic micro-algae specie which grows in high salt concentration environment. D. salina has adapted to high solar radiation by producing a mixture of carotenoids, mainly β-carotene, to protect itself against ionizing energy.

The accumulation of the carotenoids gives a peculiar pinkish-red colour to the organism. This survival tactic of the micro-algae makes it one of the most potent sources of natural β-carotene, a pro-vitamin A having tremendous importance in terms of visual health.

Dunaliella’s rich nutritional profile of high quantity anti-oxidants along with a vast spectrum of vital phytonutrients makes it a fitting active ingredient in the nutritional and cosmetic industry.

Natural Beta-carotene from Dunaliella salina

Natural beta-carotene is a pro-vitamin A which is converted to retinol (Vitamin A) in the body as required.

Dunaliella salina comprises of all-trans β-carotene, and the equivalent stereoisomers, 9-cis, 13-cis and di-cis β-carotenes in equal amounts. 9-cis β-carotene is of particular nutritional and medical interest as a retinoid precursor, RXR. It is associated with therapeutic effects in a number of macular diseases.

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Typical analysis of Dunaliella salina and carrots

Comparison of Nutrients chart
Nutrient Whole Dried Dunaliella
salina per 100g
Raw Carrots Per 100g
Protein 7.4g 1.0g
Fat (total) 7.0g 0.0
Carbohydrates 29.7g 10g
Fibre 0.4g 3.0g
Minerals(ash) 49g 1.0g
Energy 893kJ 172kJ
Beta-Carotene 1100-2100mg 8.3mg
Alpha-Carotene 53.1-102.4mg NIL
Lutein & Zeaxanthin 543-97.6mg NIL
Cryptoxanthin 23.4-46.5mg NIL
Chlorophyll 2210mg NIL

Information Source: Dunaliella salina Measurement institute (Australia) and craft Technologies Inc. (USA)

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